/Engine/Source/Runtime/MovieSceneTracks/Public/MovieSceneTracksComponentTypes.h
static [FDoubleIntermediateVector](API\Runtime\MovieSceneTracks\FDoubleIntermediateVector) CombineComposites ( [FVectorPropertyMetaData](API\Runtime\MovieSceneTracks\FVectorPropertyMetaData) MetaData, double InX, double InY, double InZ, double InW )